Answer:
El flujo de la energía es unidireccional.
A diferencia de la materia, la energía no puede ser reciclada en un ciclo en los ecosistemas. En cambio, su flujo a través de ellos es una vía de un solo sentido, generalmente, de luz a calor.
YES.The distribution of bases in sea urchin DNA and salmon DNA follow Chargaff's rules because the percentage of A bases is approximately equal to the percentage of T bases, and also the percentage of G bases is approximately equals to the percentage of C bases in both species. According to Chargaff's rule the amount of guanine should be equal to cytosine and the amount of adenine should be equal to thymine.